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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+4.57%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+512.03%
AUM
$13.3B
AUM Growth
+$17.7M
Cap. Flow
-$449M
Cap. Flow %
-3.37%
Top 10 Hldgs %
18.64%
Holding
1,772
New
130
Increased
581
Reduced
525
Closed
417

Top Buys

Rank Stock Value
1
WSO icon
Watsco Inc
WSO
+$36.3M
2
BL icon
BlackLine
BL
+$21.8M
3
EVH icon
Evolent Health
EVH
+$19.6M
4
PGR icon
Progressive
PGR
+$17.2M
5
JPM icon
JPMorgan Chase
JPM
+$16.9M

Top Sells

Rank Stock Value
1
GOOG icon
Alphabet (Google) Class C
GOOG
+$115M
2
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$66M
3
COST icon
Costco
COST
+$33M
4
XRAY icon
Dentsply Sirona
XRAY
+$30.5M
5
PRAA icon
PRA Group
PRAA
+$24.5M

Sector Composition

Rank Sector Weight
1 Healthcare 18.86%
2 Technology 17.6%
3 Financials 14.62%
4 Industrials 10.54%
5 Consumer Discretionary 8.84%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
RHI icon
376
Robert Half
RHI
$3.87B
$4.23M 0.03%
83,955
-2,027
-2% -$93.7K
IJK icon
377
iShares S&P Mid-Cap 400 Growth ETF
IJK
$10.7B
$4.22M 0.03%
83,344
+64
+0.1% +$3.15K
AVY icon
378
Avery Dennison
AVY
$13B
$4.2M 0.03%
42,699
-1,453
-3% -$137K
TWX
379
DELISTED
Time Warner Inc
TWX
$4.19M 0.03%
40,895
+3,763
+10% +$382K
MTN icon
380
Vail Resorts
MTN
$5.32B
$4.19M 0.03%
18,348
+8,985
+96% +$1.95M
HYMB icon
381
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.09B
$4.12M 0.03%
144,344
+420
+0.3% +$12K
MUB icon
382
iShares National Muni Bond ETF
MUB
$45.1B
$4.1M 0.03%
36,955
+158
+0.4% +$17.5K
DHI icon
383
D.R. Horton
DHI
$40B
$4.04M 0.03%
101,092
-22,114
-18% -$806K
CMA
384
DELISTED
Comerica
CMA
$4.02M 0.03%
+52,660
New +$3.77M
BSV icon
385
Vanguard Short-Term Bond ETF
BSV
$44.7B
$4M 0.03%
50,115
+8,136
+19% +$651K
IX icon
386
ORIX
IX
$44B
$4M 0.03%
246,905
-10,555
-4% -$170K
WPM icon
387
Wheaton Precious Metals
WPM
$49.5B
$3.99M 0.03%
209,136
+38,545
+23% +$759K
ANET icon
388
Arista Networks
ANET
$227B
$3.96M 0.03%
334,000
+214,320
+179% +$2.24M
CDK
389
DELISTED
CDK Global, Inc.
CDK
$3.95M 0.03%
62,679
-1,730
-3% -$109K
BAX icon
390
Baxter International
BAX
$13.5B
$3.94M 0.03%
62,831
-1,772
-3% -$109K
SEP
391
DELISTED
Spectra Engy Parters Lp
SEP
$3.94M 0.03%
88,769
-2,797
-3% -$124K
NSC icon
392
Norfolk Southern
NSC
$75.4B
$3.94M 0.03%
29,766
+2,562
+9% +$311K
TROW icon
393
T. Rowe Price
TROW
$23.9B
$3.93M 0.03%
43,331
-276
-0.6% -$22.8K
XPO icon
394
XPO
XPO
$23.5B
$3.92M 0.03%
167,426
-39,540
-19% -$828K
MS icon
395
Morgan Stanley
MS
$331B
$3.91M 0.03%
81,188
+449
+0.6% +$20.8K
LMNX
396
DELISTED
Luminex Corp
LMNX
$3.89M 0.03%
191,469
-15,750
-8% -$314K
TSM icon
397
TSMC
TSM
$2.1T
$3.88M 0.03%
103,368
-4,978
-5% -$182K
GKOS icon
398
Glaukos
GKOS
$9.83B
$3.87M 0.03%
117,184
+45,074
+63% +$1.71M
PFF icon
399
iShares Preferred and Income Securities ETF
PFF
$13.3B
$3.85M 0.03%
99,262
-32,638
-25% -$1.27M
STKL
400
DELISTED
SunOpta
STKL
$3.85M 0.03%
442,092
-5,491
-1% -$49.9K
14 15
16
17 18

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William Blair & Company's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair & Company held 1,772 positions worth $13.3B, up 0.13% from $13.3B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair & Company withdrew a net $449M in Q3 2017, closing 417 positions and reducing 525 holdings. Its most notable exit was Dave & Buster's, an estimated $20.3M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 19% a quarter earlier, followed by Technology and Financials.

Against the trend, William Blair & Company opened a new position in Quantenna Communications, Inc. Common Stock worth $9.07M.

  • William Blair & Company's largest Q3 2017 buy was Quantenna Communications, Inc. Common Stock: 539,590 shares worth $9.07M.
  • William Blair & Company added most to Watsco Inc in Q3 2017, an estimated $36.3M increase.
  • William Blair & Company's biggest Q3 2017 reduction was Alphabet (Google) Class C, cutting an estimated $115M.
  • William Blair & Company fully exited Dave & Buster's in Q3 2017, selling an estimated $20.3M.
  • William Blair & Company's ten largest holdings make up 19% of its $13.3B portfolio in Q3 2017.
  • William Blair & Company opened 130 new positions and closed 417 in Q3 2017.
  • William Blair & Company's portfolio value rose 0.13% quarter-over-quarter to $13.3B.

Based on William Blair & Company's 13F filing for Q3 2017, filed 13 Nov 2017.